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Logarithm Table for base 81

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This page shows the logarithm table for base 81, in blocks of 100 values — each block covers one whole number N (its row lists N.0 through N.9, and each row's 10 columns walk the hundredths digit 0 through 9). Hover any cell to trace it back to its row and column, or print a block directly from its own header.

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Logarithm Table for base 81 — N = 1.00–1.99
N.i 0 1 2 3 4 5 6 7 8 9
1.0 0.000000 0.002264 0.004506 0.006726 0.008925 0.011103 0.013260 0.015396 0.017513 0.019611
1.1 0.021689 0.023748 0.025789 0.027812 0.029817 0.031804 0.033774 0.035728 0.037664 0.039585
1.2 0.041489 0.043378 0.045250 0.047108 0.048951 0.050779 0.052592 0.054391 0.056175 0.057946
1.3 0.059704 0.061447 0.063178 0.064895 0.066600 0.068292 0.069971 0.071638 0.073293 0.074936
1.4 0.076568 0.078187 0.079795 0.081392 0.082978 0.084553 0.086117 0.087670 0.089213 0.090745
1.5 0.092268 0.093780 0.095282 0.096774 0.098256 0.099729 0.101193 0.102647 0.104092 0.105527
1.6 0.106954 0.108372 0.109781 0.111181 0.112573 0.113956 0.115331 0.116698 0.118057 0.119407
1.7 0.120750 0.122084 0.123411 0.124730 0.126042 0.127346 0.128643 0.129932 0.131214 0.132489
1.8 0.133757 0.135017 0.136271 0.137518 0.138758 0.139992 0.141218 0.142438 0.143652 0.144859
1.9 0.146060 0.147255 0.148443 0.149625 0.150801 0.151971 0.153135 0.154293 0.155445 0.156592

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Logarithm Table for base 81 — N = 2.00–2.99
N.i 0 1 2 3 4 5 6 7 8 9
2.0 0.157732 0.158867 0.159997 0.161120 0.162239 0.163351 0.164459 0.165561 0.166657 0.167749
2.1 0.168835 0.169916 0.170992 0.172063 0.173129 0.174190 0.175246 0.176297 0.177343 0.178384
2.2 0.179421 0.180453 0.181481 0.182503 0.183521 0.184535 0.185544 0.186549 0.187549 0.188545
2.3 0.189537 0.190524 0.191507 0.192486 0.193460 0.194431 0.195397 0.196359 0.197317 0.198271
2.4 0.199221 0.200168 0.201110 0.202048 0.202983 0.203914 0.204841 0.205764 0.206683 0.207599
2.5 0.208511 0.209419 0.210324 0.211225 0.212123 0.213017 0.213908 0.214795 0.215679 0.216559
2.6 0.217436 0.218310 0.219180 0.220047 0.220910 0.221771 0.222628 0.223482 0.224332 0.225180
2.7 0.226024 0.226865 0.227704 0.228539 0.229371 0.230200 0.231026 0.231849 0.232669 0.233486
2.8 0.234300 0.235111 0.235920 0.236725 0.237528 0.238328 0.239125 0.239919 0.240711 0.241499
2.9 0.242285 0.243069 0.243849 0.244627 0.245403 0.246175 0.246945 0.247713 0.248478 0.249240
Logarithm Table for base 81 — N = 3.00–3.99
N.i 0 1 2 3 4 5 6 7 8 9
3.0 0.250000 0.250757 0.251512 0.252264 0.253014 0.253761 0.254506 0.255249 0.255989 0.256726
3.1 0.257462 0.258195 0.258925 0.259653 0.260379 0.261103 0.261824 0.262543 0.263260 0.263974
3.2 0.264686 0.265396 0.266104 0.266810 0.267513 0.268215 0.268914 0.269611 0.270305 0.270998
3.3 0.271689 0.272377 0.273064 0.273748 0.274430 0.275111 0.275789 0.276465 0.277140 0.277812
3.4 0.278482 0.279150 0.279817 0.280481 0.281144 0.281804 0.282463 0.283120 0.283774 0.284427
3.5 0.285078 0.285728 0.286375 0.287021 0.287664 0.288306 0.288946 0.289585 0.290221 0.290856
3.6 0.291489 0.292120 0.292750 0.293378 0.294004 0.294628 0.295250 0.295871 0.296491 0.297108
3.7 0.297724 0.298338 0.298951 0.299562 0.300171 0.300779 0.301385 0.301989 0.302592 0.303193
3.8 0.303793 0.304391 0.304987 0.305582 0.306175 0.306767 0.307358 0.307946 0.308534 0.309119
3.9 0.309704 0.310286 0.310868 0.311447 0.312026 0.312602 0.313178 0.313752 0.314324 0.314895
Logarithm Table for base 81 — N = 4.00–4.99
N.i 0 1 2 3 4 5 6 7 8 9
4.0 0.315465 0.316033 0.316600 0.317165 0.317729 0.318292 0.318853 0.319413 0.319971 0.320528
4.1 0.321084 0.321638 0.322191 0.322743 0.323293 0.323842 0.324390 0.324936 0.325481 0.326025
4.2 0.326568 0.327109 0.327649 0.328187 0.328725 0.329261 0.329795 0.330329 0.330861 0.331392
4.3 0.331922 0.332451 0.332978 0.333504 0.334029 0.334553 0.335075 0.335597 0.336117 0.336636
4.4 0.337154 0.337670 0.338186 0.338700 0.339213 0.339725 0.340236 0.340745 0.341254 0.341761
4.5 0.342268 0.342773 0.343277 0.343780 0.344281 0.344782 0.345282 0.345780 0.346278 0.346774
4.6 0.347269 0.347763 0.348256 0.348748 0.349239 0.349729 0.350218 0.350706 0.351193 0.351678
4.7 0.352163 0.352647 0.353129 0.353611 0.354092 0.354571 0.355050 0.355527 0.356004 0.356479
4.8 0.356954 0.357428 0.357900 0.358372 0.358842 0.359312 0.359781 0.360249 0.360715 0.361181
4.9 0.361646 0.362110 0.362573 0.363035 0.363496 0.363956 0.364416 0.364874 0.365331 0.365788
Logarithm Table for base 81 — N = 5.00–5.99
N.i 0 1 2 3 4 5 6 7 8 9
5.0 0.366243 0.366698 0.367152 0.367605 0.368057 0.368508 0.368958 0.369407 0.369856 0.370303
5.1 0.370750 0.371195 0.371640 0.372084 0.372527 0.372970 0.373411 0.373852 0.374292 0.374730
5.2 0.375168 0.375606 0.376042 0.376478 0.376912 0.377346 0.377779 0.378211 0.378643 0.379073
5.3 0.379503 0.379932 0.380360 0.380787 0.381214 0.381640 0.382065 0.382489 0.382912 0.383335
5.4 0.383757 0.384178 0.384598 0.385017 0.385436 0.385854 0.386271 0.386688 0.387103 0.387518
5.5 0.387932 0.388346 0.388758 0.389170 0.389581 0.389992 0.390401 0.390810 0.391218 0.391626
5.6 0.392032 0.392438 0.392844 0.393248 0.393652 0.394055 0.394458 0.394859 0.395260 0.395661
5.7 0.396060 0.396459 0.396857 0.397255 0.397651 0.398048 0.398443 0.398838 0.399232 0.399625
5.8 0.400018 0.400410 0.400801 0.401192 0.401582 0.401971 0.402360 0.402748 0.403135 0.403522
5.9 0.403908 0.404293 0.404678 0.405062 0.405445 0.405828 0.406210 0.406592 0.406973 0.407353
Logarithm Table for base 81 — N = 6.00–6.99
N.i 0 1 2 3 4 5 6 7 8 9
6.0 0.407732 0.408111 0.408490 0.408867 0.409244 0.409621 0.409997 0.410372 0.410747 0.411120
6.1 0.411494 0.411867 0.412239 0.412610 0.412981 0.413351 0.413721 0.414090 0.414459 0.414827
6.2 0.415194 0.415561 0.415927 0.416293 0.416657 0.417022 0.417386 0.417749 0.418112 0.418474
6.3 0.418835 0.419196 0.419556 0.419916 0.420275 0.420634 0.420992 0.421350 0.421707 0.422063
6.4 0.422419 0.422774 0.423129 0.423483 0.423837 0.424190 0.424542 0.424894 0.425246 0.425597
6.5 0.425947 0.426297 0.426646 0.426995 0.427343 0.427691 0.428038 0.428384 0.428731 0.429076
6.6 0.429421 0.429766 0.430110 0.430453 0.430796 0.431139 0.431481 0.431822 0.432163 0.432503
6.7 0.432843 0.433183 0.433521 0.433860 0.434198 0.434535 0.434872 0.435208 0.435544 0.435880
6.8 0.436215 0.436549 0.436883 0.437216 0.437549 0.437882 0.438214 0.438545 0.438876 0.439207
6.9 0.439537 0.439866 0.440195 0.440524 0.440852 0.441180 0.441507 0.441834 0.442160 0.442486
Logarithm Table for base 81 — N = 7.00–7.99
N.i 0 1 2 3 4 5 6 7 8 9
7.0 0.442811 0.443136 0.443460 0.443784 0.444108 0.444431 0.444753 0.445075 0.445397 0.445718
7.1 0.446039 0.446359 0.446679 0.446998 0.447317 0.447636 0.447954 0.448271 0.448589 0.448905
7.2 0.449221 0.449537 0.449853 0.450168 0.450482 0.450796 0.451110 0.451423 0.451736 0.452048
7.3 0.452360 0.452672 0.452983 0.453294 0.453604 0.453914 0.454223 0.454532 0.454841 0.455149
7.4 0.455456 0.455764 0.456071 0.456377 0.456683 0.456989 0.457294 0.457599 0.457903 0.458207
7.5 0.458511 0.458814 0.459117 0.459419 0.459721 0.460023 0.460324 0.460625 0.460925 0.461225
7.6 0.461525 0.461824 0.462123 0.462422 0.462720 0.463017 0.463314 0.463611 0.463908 0.464204
7.7 0.464500 0.464795 0.465090 0.465385 0.465679 0.465973 0.466266 0.466559 0.466852 0.467144
7.8 0.467436 0.467728 0.468019 0.468310 0.468600 0.468890 0.469180 0.469469 0.469758 0.470047
7.9 0.470335 0.470623 0.470910 0.471197 0.471484 0.471771 0.472057 0.472342 0.472628 0.472913
Logarithm Table for base 81 — N = 8.00–8.99
N.i 0 1 2 3 4 5 6 7 8 9
8.0 0.473197 0.473482 0.473766 0.474049 0.474332 0.474615 0.474898 0.475180 0.475462 0.475743
8.1 0.476024 0.476305 0.476585 0.476865 0.477145 0.477425 0.477704 0.477982 0.478261 0.478539
8.2 0.478816 0.479094 0.479371 0.479647 0.479924 0.480200 0.480475 0.480751 0.481026 0.481300
8.3 0.481575 0.481849 0.482122 0.482396 0.482669 0.482941 0.483214 0.483486 0.483758 0.484029
8.4 0.484300 0.484571 0.484841 0.485111 0.485381 0.485651 0.485920 0.486188 0.486457 0.486725
8.5 0.486993 0.487261 0.487528 0.487795 0.488061 0.488328 0.488594 0.488859 0.489125 0.489390
8.6 0.489655 0.489919 0.490183 0.490447 0.490711 0.490974 0.491237 0.491499 0.491762 0.492024
8.7 0.492285 0.492547 0.492808 0.493069 0.493329 0.493589 0.493849 0.494109 0.494368 0.494627
8.8 0.494886 0.495145 0.495403 0.495661 0.495918 0.496175 0.496432 0.496689 0.496945 0.497202
8.9 0.497457 0.497713 0.497968 0.498223 0.498478 0.498732 0.498986 0.499240 0.499494 0.499747
Logarithm Table for base 81 — N = 9.00–9.99
N.i 0 1 2 3 4 5 6 7 8 9
9.0 0.500000 0.500253 0.500505 0.500757 0.501009 0.501261 0.501512 0.501763 0.502014 0.502264
9.1 0.502514 0.502764 0.503014 0.503263 0.503513 0.503761 0.504010 0.504258 0.504506 0.504754
9.2 0.505002 0.505249 0.505496 0.505742 0.505989 0.506235 0.506481 0.506726 0.506972 0.507217
9.3 0.507462 0.507706 0.507950 0.508195 0.508438 0.508682 0.508925 0.509168 0.509411 0.509653
9.4 0.509895 0.510137 0.510379 0.510621 0.510862 0.511103 0.511343 0.511584 0.511824 0.512064
9.5 0.512304 0.512543 0.512782 0.513021 0.513260 0.513498 0.513736 0.513974 0.514212 0.514449
9.6 0.514686 0.514923 0.515160 0.515396 0.515633 0.515869 0.516104 0.516340 0.516575 0.516810
9.7 0.517045 0.517279 0.517513 0.517747 0.517981 0.518215 0.518448 0.518681 0.518914 0.519146
9.8 0.519378 0.519611 0.519842 0.520074 0.520305 0.520537 0.520767 0.520998 0.521229 0.521459
9.9 0.521689 0.521919 0.522148 0.522377 0.522606 0.522835 0.523064 0.523292 0.523520 0.523748
Logarithm Table for base 81 — N = 10.00–10.99
N.i 0 1 2 3 4 5 6 7 8 9
10.0 0.523976 0.524203 0.524430 0.524657 0.524884 0.525111 0.525337 0.525563 0.525789 0.526015
10.1 0.526240 0.526465 0.526690 0.526915 0.527140 0.527364 0.527588 0.527812 0.528035 0.528259
10.2 0.528482 0.528705 0.528928 0.529150 0.529373 0.529595 0.529817 0.530038 0.530260 0.530481
10.3 0.530702 0.530923 0.531144 0.531364 0.531584 0.531804 0.532024 0.532244 0.532463 0.532682
10.4 0.532901 0.533120 0.533338 0.533556 0.533774 0.533992 0.534210 0.534427 0.534645 0.534862
10.5 0.535078 0.535295 0.535512 0.535728 0.535944 0.536160 0.536375 0.536591 0.536806 0.537021
10.6 0.537235 0.537450 0.537664 0.537879 0.538093 0.538306 0.538520 0.538733 0.538946 0.539159
10.7 0.539372 0.539585 0.539797 0.540009 0.540221 0.540433 0.540645 0.540856 0.541067 0.541278
10.8 0.541489 0.541700 0.541910 0.542120 0.542330 0.542540 0.542750 0.542959 0.543168 0.543378
10.9 0.543586 0.543795 0.544004 0.544212 0.544420 0.544628 0.544836 0.545043 0.545250 0.545458
Logarithm Table for base 81 — N = 11.00–11.99
N.i 0 1 2 3 4 5 6 7 8 9
11.0 0.545665 0.545871 0.546078 0.546284 0.546491 0.546697 0.546902 0.547108 0.547314 0.547519
11.1 0.547724 0.547929 0.548134 0.548338 0.548543 0.548747 0.548951 0.549155 0.549358 0.549562
11.2 0.549765 0.549968 0.550171 0.550374 0.550576 0.550779 0.550981 0.551183 0.551385 0.551586
11.3 0.551788 0.551989 0.552190 0.552391 0.552592 0.552792 0.552993 0.553193 0.553393 0.553593
11.4 0.553793 0.553992 0.554191 0.554391 0.554590 0.554788 0.554987 0.555186 0.555384 0.555582
11.5 0.555780 0.555978 0.556175 0.556373 0.556570 0.556767 0.556964 0.557161 0.557358 0.557554
11.6 0.557750 0.557946 0.558142 0.558338 0.558534 0.558729 0.558924 0.559119 0.559314 0.559509
11.7 0.559704 0.559898 0.560092 0.560286 0.560480 0.560674 0.560868 0.561061 0.561254 0.561447
11.8 0.561640 0.561833 0.562026 0.562218 0.562410 0.562602 0.562794 0.562986 0.563178 0.563369
11.9 0.563561 0.563752 0.563943 0.564134 0.564324 0.564515 0.564705 0.564895 0.565085 0.565275
Logarithm Table for base 81 — N = 12.00–12.99
N.i 0 1 2 3 4 5 6 7 8 9
12.0 0.565465 0.565654 0.565844 0.566033 0.566222 0.566411 0.566600 0.566788 0.566977 0.567165
12.1 0.567353 0.567541 0.567729 0.567917 0.568104 0.568292 0.568479 0.568666 0.568853 0.569040
12.2 0.569226 0.569413 0.569599 0.569785 0.569971 0.570157 0.570343 0.570528 0.570714 0.570899
12.3 0.571084 0.571269 0.571454 0.571638 0.571823 0.572007 0.572191 0.572375 0.572559 0.572743
12.4 0.572927 0.573110 0.573293 0.573476 0.573659 0.573842 0.574025 0.574208 0.574390 0.574572
12.5 0.574754 0.574936 0.575118 0.575300 0.575481 0.575663 0.575844 0.576025 0.576206 0.576387
12.6 0.576568 0.576748 0.576928 0.577109 0.577289 0.577469 0.577649 0.577828 0.578008 0.578187
12.7 0.578366 0.578546 0.578725 0.578903 0.579082 0.579261 0.579439 0.579617 0.579795 0.579973
12.8 0.580151 0.580329 0.580507 0.580684 0.580861 0.581038 0.581215 0.581392 0.581569 0.581746
12.9 0.581922 0.582098 0.582275 0.582451 0.582627 0.582802 0.582978 0.583154 0.583329 0.583504
Logarithm Table for base 81 — N = 13.00–13.99
N.i 0 1 2 3 4 5 6 7 8 9
13.0 0.583679 0.583854 0.584029 0.584204 0.584378 0.584553 0.584727 0.584901 0.585075 0.585249
13.1 0.585423 0.585597 0.585770 0.585944 0.586117 0.586290 0.586463 0.586636 0.586809 0.586981
13.2 0.587154 0.587326 0.587498 0.587670 0.587842 0.588014 0.588186 0.588357 0.588529 0.588700
13.3 0.588871 0.589042 0.589213 0.589384 0.589554 0.589725 0.589895 0.590066 0.590236 0.590406
13.4 0.590576 0.590745 0.590915 0.591085 0.591254 0.591423 0.591592 0.591761 0.591930 0.592099
13.5 0.592268 0.592436 0.592604 0.592773 0.592941 0.593109 0.593277 0.593444 0.593612 0.593780
13.6 0.593947 0.594114 0.594281 0.594448 0.594615 0.594782 0.594949 0.595115 0.595282 0.595448
13.7 0.595614 0.595780 0.595946 0.596112 0.596278 0.596443 0.596609 0.596774 0.596939 0.597104
13.8 0.597269 0.597434 0.597599 0.597763 0.597928 0.598092 0.598256 0.598420 0.598584 0.598748
13.9 0.598912 0.599076 0.599239 0.599403 0.599566 0.599729 0.599892 0.600055 0.600218 0.600381
Logarithm Table for base 81 — N = 14.00–14.99
N.i 0 1 2 3 4 5 6 7 8 9
14.0 0.600543 0.600706 0.600868 0.601030 0.601193 0.601355 0.601517 0.601678 0.601840 0.602002
14.1 0.602163 0.602324 0.602486 0.602647 0.602808 0.602969 0.603129 0.603290 0.603450 0.603611
14.2 0.603771 0.603931 0.604092 0.604251 0.604411 0.604571 0.604731 0.604890 0.605050 0.605209
14.3 0.605368 0.605527 0.605686 0.605845 0.606004 0.606162 0.606321 0.606479 0.606638 0.606796
14.4 0.606954 0.607112 0.607270 0.607428 0.607585 0.607743 0.607900 0.608057 0.608215 0.608372
14.5 0.608529 0.608686 0.608842 0.608999 0.609156 0.609312 0.609468 0.609625 0.609781 0.609937
14.6 0.610093 0.610249 0.610404 0.610560 0.610715 0.610871 0.611026 0.611181 0.611336 0.611491
14.7 0.611646 0.611801 0.611955 0.612110 0.612264 0.612419 0.612573 0.612727 0.612881 0.613035
14.8 0.613189 0.613343 0.613496 0.613650 0.613803 0.613956 0.614110 0.614263 0.614416 0.614568
14.9 0.614721 0.614874 0.615026 0.615179 0.615331 0.615484 0.615636 0.615788 0.615940 0.616092
Logarithm Table for base 81 — N = 15.00–15.99
N.i 0 1 2 3 4 5 6 7 8 9
15.0 0.616243 0.616395 0.616547 0.616698 0.616849 0.617001 0.617152 0.617303 0.617454 0.617605
15.1 0.617755 0.617906 0.618057 0.618207 0.618357 0.618508 0.618658 0.618808 0.618958 0.619108
15.2 0.619257 0.619407 0.619557 0.619706 0.619856 0.620005 0.620154 0.620303 0.620452 0.620601
15.3 0.620750 0.620898 0.621047 0.621195 0.621344 0.621492 0.621640 0.621788 0.621936 0.622084
15.4 0.622232 0.622380 0.622527 0.622675 0.622822 0.622970 0.623117 0.623264 0.623411 0.623558
15.5 0.623705 0.623852 0.623998 0.624145 0.624292 0.624438 0.624584 0.624730 0.624877 0.625023
15.6 0.625168 0.625314 0.625460 0.625606 0.625751 0.625897 0.626042 0.626187 0.626332 0.626478
15.7 0.626622 0.626767 0.626912 0.627057 0.627202 0.627346 0.627490 0.627635 0.627779 0.627923
15.8 0.628067 0.628211 0.628355 0.628499 0.628643 0.628786 0.628930 0.629073 0.629217 0.629360
15.9 0.629503 0.629646 0.629789 0.629932 0.630075 0.630218 0.630360 0.630503 0.630645 0.630787
Logarithm Table for base 81 — N = 16.00–16.99
N.i 0 1 2 3 4 5 6 7 8 9
16.0 0.630930 0.631072 0.631214 0.631356 0.631498 0.631640 0.631782 0.631923 0.632065 0.632206
16.1 0.632348 0.632489 0.632630 0.632771 0.632912 0.633053 0.633194 0.633335 0.633476 0.633616
16.2 0.633757 0.633897 0.634037 0.634178 0.634318 0.634458 0.634598 0.634738 0.634878 0.635017
16.3 0.635157 0.635297 0.635436 0.635575 0.635715 0.635854 0.635993 0.636132 0.636271 0.636410
16.4 0.636549 0.636688 0.636826 0.636965 0.637103 0.637242 0.637380 0.637518 0.637656 0.637794
16.5 0.637932 0.638070 0.638208 0.638346 0.638483 0.638621 0.638758 0.638896 0.639033 0.639170
16.6 0.639307 0.639444 0.639581 0.639718 0.639855 0.639992 0.640128 0.640265 0.640401 0.640538
16.7 0.640674 0.640810 0.640946 0.641082 0.641218 0.641354 0.641490 0.641626 0.641761 0.641897
16.8 0.642032 0.642168 0.642303 0.642438 0.642574 0.642709 0.642844 0.642979 0.643113 0.643248
16.9 0.643383 0.643518 0.643652 0.643787 0.643921 0.644055 0.644189 0.644324 0.644458 0.644592
Logarithm Table for base 81 — N = 17.00–17.99
N.i 0 1 2 3 4 5 6 7 8 9
17.0 0.644725 0.644859 0.644993 0.645127 0.645260 0.645394 0.645527 0.645661 0.645794 0.645927
17.1 0.646060 0.646193 0.646326 0.646459 0.646592 0.646725 0.646857 0.646990 0.647122 0.647255
17.2 0.647387 0.647519 0.647651 0.647784 0.647916 0.648048 0.648179 0.648311 0.648443 0.648575
17.3 0.648706 0.648838 0.648969 0.649100 0.649232 0.649363 0.649494 0.649625 0.649756 0.649887
17.4 0.650018 0.650149 0.650279 0.650410 0.650540 0.650671 0.650801 0.650931 0.651062 0.651192
17.5 0.651322 0.651452 0.651582 0.651712 0.651841 0.651971 0.652101 0.652230 0.652360 0.652489
17.6 0.652619 0.652748 0.652877 0.653006 0.653135 0.653264 0.653393 0.653522 0.653651 0.653779
17.7 0.653908 0.654036 0.654165 0.654293 0.654421 0.654550 0.654678 0.654806 0.654934 0.655062
17.8 0.655190 0.655318 0.655445 0.655573 0.655701 0.655828 0.655956 0.656083 0.656210 0.656338
17.9 0.656465 0.656592 0.656719 0.656846 0.656973 0.657099 0.657226 0.657353 0.657479 0.657606
Logarithm Table for base 81 — N = 18.00–18.99
N.i 0 1 2 3 4 5 6 7 8 9
18.0 0.657732 0.657859 0.657985 0.658111 0.658238 0.658364 0.658490 0.658616 0.658742 0.658867
18.1 0.658993 0.659119 0.659244 0.659370 0.659496 0.659621 0.659746 0.659872 0.659997 0.660122
18.2 0.660247 0.660372 0.660497 0.660622 0.660747 0.660871 0.660996 0.661120 0.661245 0.661369
18.3 0.661494 0.661618 0.661742 0.661867 0.661991 0.662115 0.662239 0.662363 0.662486 0.662610
18.4 0.662734 0.662858 0.662981 0.663105 0.663228 0.663351 0.663475 0.663598 0.663721 0.663844
18.5 0.663967 0.664090 0.664213 0.664336 0.664459 0.664582 0.664704 0.664827 0.664949 0.665072
18.6 0.665194 0.665316 0.665439 0.665561 0.665683 0.665805 0.665927 0.666049 0.666171 0.666293
18.7 0.666414 0.666536 0.666657 0.666779 0.666900 0.667022 0.667143 0.667264 0.667386 0.667507
18.8 0.667628 0.667749 0.667870 0.667991 0.668112 0.668232 0.668353 0.668474 0.668594 0.668715
18.9 0.668835 0.668955 0.669076 0.669196 0.669316 0.669436 0.669556 0.669676 0.669796 0.669916
Logarithm Table for base 81 — N = 19.00–19.99
N.i 0 1 2 3 4 5 6 7 8 9
19.0 0.670036 0.670156 0.670275 0.670395 0.670515 0.670634 0.670753 0.670873 0.670992 0.671111
19.1 0.671231 0.671350 0.671469 0.671588 0.671707 0.671825 0.671944 0.672063 0.672182 0.672300
19.2 0.672419 0.672537 0.672656 0.672774 0.672892 0.673011 0.673129 0.673247 0.673365 0.673483
19.3 0.673601 0.673719 0.673837 0.673954 0.674072 0.674190 0.674307 0.674425 0.674542 0.674660
19.4 0.674777 0.674894 0.675011 0.675129 0.675246 0.675363 0.675480 0.675597 0.675713 0.675830
19.5 0.675947 0.676064 0.676180 0.676297 0.676413 0.676530 0.676646 0.676762 0.676879 0.676995
19.6 0.677111 0.677227 0.677343 0.677459 0.677575 0.677691 0.677806 0.677922 0.678038 0.678153
19.7 0.678269 0.678384 0.678500 0.678615 0.678731 0.678846 0.678961 0.679076 0.679191 0.679306
19.8 0.679421 0.679536 0.679651 0.679766 0.679880 0.679995 0.680110 0.680224 0.680339 0.680453
19.9 0.680568 0.680682 0.680796 0.680910 0.681025 0.681139 0.681253 0.681367 0.681481 0.681594
Logarithm Table for base 81 — N = 20.00–20.99
N.i 0 1 2 3 4 5 6 7 8 9
20.0 0.681708 0.681822 0.681936 0.682049 0.682163 0.682276 0.682390 0.682503 0.682617 0.682730
20.1 0.682843 0.682956 0.683070 0.683183 0.683296 0.683409 0.683521 0.683634 0.683747 0.683860
20.2 0.683973 0.684085 0.684198 0.684310 0.684423 0.684535 0.684647 0.684760 0.684872 0.684984
20.3 0.685096 0.685208 0.685320 0.685432 0.685544 0.685656 0.685768 0.685880 0.685991 0.686103
20.4 0.686215 0.686326 0.686438 0.686549 0.686660 0.686772 0.686883 0.686994 0.687105 0.687216
20.5 0.687327 0.687438 0.687549 0.687660 0.687771 0.687882 0.687992 0.688103 0.688214 0.688324
20.6 0.688435 0.688545 0.688655 0.688766 0.688876 0.688986 0.689096 0.689207 0.689317 0.689427
20.7 0.689537 0.689647 0.689756 0.689866 0.689976 0.690086 0.690195 0.690305 0.690414 0.690524
20.8 0.690633 0.690743 0.690852 0.690961 0.691071 0.691180 0.691289 0.691398 0.691507 0.691616
20.9 0.691725 0.691834 0.691942 0.692051 0.692160 0.692268 0.692377 0.692486 0.692594 0.692703
Logarithm Table for base 81 — N = 21.00–21.99
N.i 0 1 2 3 4 5 6 7 8 9
21.0 0.692811 0.692919 0.693028 0.693136 0.693244 0.693352 0.693460 0.693568 0.693676 0.693784
21.1 0.693892 0.694000 0.694108 0.694215 0.694323 0.694431 0.694538 0.694646 0.694753 0.694861
21.2 0.694968 0.695075 0.695182 0.695290 0.695397 0.695504 0.695611 0.695718 0.695825 0.695932
21.3 0.696039 0.696146 0.696252 0.696359 0.696466 0.696572 0.696679 0.696785 0.696892 0.696998
21.4 0.697105 0.697211 0.697317 0.697423 0.697530 0.697636 0.697742 0.697848 0.697954 0.698060
21.5 0.698166 0.698271 0.698377 0.698483 0.698589 0.698694 0.698800 0.698905 0.699011 0.699116
21.6 0.699221 0.699327 0.699432 0.699537 0.699643 0.699748 0.699853 0.699958 0.700063 0.700168
21.7 0.700273 0.700377 0.700482 0.700587 0.700692 0.700796 0.700901 0.701005 0.701110 0.701214
21.8 0.701319 0.701423 0.701528 0.701632 0.701736 0.701840 0.701944 0.702048 0.702152 0.702256
21.9 0.702360 0.702464 0.702568 0.702672 0.702776 0.702879 0.702983 0.703087 0.703190 0.703294
Logarithm Table for base 81 — N = 22.00–22.99
N.i 0 1 2 3 4 5 6 7 8 9
22.0 0.703397 0.703500 0.703604 0.703707 0.703810 0.703914 0.704017 0.704120 0.704223 0.704326
22.1 0.704429 0.704532 0.704635 0.704738 0.704841 0.704943 0.705046 0.705149 0.705251 0.705354
22.2 0.705456 0.705559 0.705661 0.705764 0.705866 0.705968 0.706071 0.706173 0.706275 0.706377
22.3 0.706479 0.706581 0.706683 0.706785 0.706887 0.706989 0.707091 0.707192 0.707294 0.707396
22.4 0.707497 0.707599 0.707700 0.707802 0.707903 0.708005 0.708106 0.708207 0.708309 0.708410
22.5 0.708511 0.708612 0.708713 0.708814 0.708915 0.709016 0.709117 0.709218 0.709319 0.709419
22.6 0.709520 0.709621 0.709721 0.709822 0.709922 0.710023 0.710123 0.710224 0.710324 0.710424
22.7 0.710525 0.710625 0.710725 0.710825 0.710925 0.711025 0.711125 0.711225 0.711325 0.711425
22.8 0.711525 0.711625 0.711725 0.711824 0.711924 0.712024 0.712123 0.712223 0.712322 0.712422
22.9 0.712521 0.712620 0.712720 0.712819 0.712918 0.713017 0.713116 0.713215 0.713314 0.713413
Logarithm Table for base 81 — N = 23.00–23.99
N.i 0 1 2 3 4 5 6 7 8 9
23.0 0.713512 0.713611 0.713710 0.713809 0.713908 0.714007 0.714105 0.714204 0.714303 0.714401
23.1 0.714500 0.714598 0.714697 0.714795 0.714893 0.714992 0.715090 0.715188 0.715286 0.715385
23.2 0.715483 0.715581 0.715679 0.715777 0.715875 0.715973 0.716070 0.716168 0.716266 0.716364
23.3 0.716461 0.716559 0.716657 0.716754 0.716852 0.716949 0.717047 0.717144 0.717241 0.717339
23.4 0.717436 0.717533 0.717630 0.717728 0.717825 0.717922 0.718019 0.718116 0.718213 0.718310
23.5 0.718406 0.718503 0.718600 0.718697 0.718793 0.718890 0.718987 0.719083 0.719180 0.719276
23.6 0.719373 0.719469 0.719565 0.719662 0.719758 0.719854 0.719950 0.720047 0.720143 0.720239
23.7 0.720335 0.720431 0.720527 0.720623 0.720719 0.720814 0.720910 0.721006 0.721102 0.721197
23.8 0.721293 0.721389 0.721484 0.721580 0.721675 0.721771 0.721866 0.721961 0.722057 0.722152
23.9 0.722247 0.722342 0.722438 0.722533 0.722628 0.722723 0.722818 0.722913 0.723008 0.723102
Logarithm Table for base 81 — N = 24.00–24.99
N.i 0 1 2 3 4 5 6 7 8 9
24.0 0.723197 0.723292 0.723387 0.723482 0.723576 0.723671 0.723766 0.723860 0.723955 0.724049
24.1 0.724144 0.724238 0.724332 0.724427 0.724521 0.724615 0.724709 0.724804 0.724898 0.724992
24.2 0.725086 0.725180 0.725274 0.725368 0.725462 0.725555 0.725649 0.725743 0.725837 0.725931
24.3 0.726024 0.726118 0.726211 0.726305 0.726398 0.726492 0.726585 0.726679 0.726772 0.726865
24.4 0.726959 0.727052 0.727145 0.727238 0.727331 0.727425 0.727518 0.727611 0.727704 0.727797
24.5 0.727889 0.727982 0.728075 0.728168 0.728261 0.728353 0.728446 0.728539 0.728631 0.728724
24.6 0.728816 0.728909 0.729001 0.729094 0.729186 0.729278 0.729371 0.729463 0.729555 0.729647
24.7 0.729740 0.729832 0.729924 0.730016 0.730108 0.730200 0.730292 0.730384 0.730475 0.730567
24.8 0.730659 0.730751 0.730842 0.730934 0.731026 0.731117 0.731209 0.731300 0.731392 0.731483
24.9 0.731575 0.731666 0.731757 0.731849 0.731940 0.732031 0.732122 0.732214 0.732305 0.732396
Logarithm Table for base 81 — N = 25.00–25.99
N.i 0 1 2 3 4 5 6 7 8 9
25.0 0.732487 0.732578 0.732669 0.732760 0.732851 0.732941 0.733032 0.733123 0.733214 0.733305
25.1 0.733395 0.733486 0.733576 0.733667 0.733758 0.733848 0.733939 0.734029 0.734119 0.734210
25.2 0.734300 0.734390 0.734481 0.734571 0.734661 0.734751 0.734841 0.734931 0.735021 0.735111
25.3 0.735201 0.735291 0.735381 0.735471 0.735561 0.735651 0.735740 0.735830 0.735920 0.736009
25.4 0.736099 0.736188 0.736278 0.736368 0.736457 0.736546 0.736636 0.736725 0.736814 0.736904
25.5 0.736993 0.737082 0.737171 0.737261 0.737350 0.737439 0.737528 0.737617 0.737706 0.737795
25.6 0.737884 0.737973 0.738061 0.738150 0.738239 0.738328 0.738416 0.738505 0.738594 0.738682
25.7 0.738771 0.738859 0.738948 0.739036 0.739125 0.739213 0.739302 0.739390 0.739478 0.739566
25.8 0.739655 0.739743 0.739831 0.739919 0.740007 0.740095 0.740183 0.740271 0.740359 0.740447
25.9 0.740535 0.740623 0.740711 0.740798 0.740886 0.740974 0.741061 0.741149 0.741237 0.741324
Logarithm Table for base 81 — N = 26.00–26.99
N.i 0 1 2 3 4 5 6 7 8 9
26.0 0.741412 0.741499 0.741587 0.741674 0.741762 0.741849 0.741936 0.742024 0.742111 0.742198
26.1 0.742285 0.742373 0.742460 0.742547 0.742634 0.742721 0.742808 0.742895 0.742982 0.743069
26.2 0.743156 0.743242 0.743329 0.743416 0.743503 0.743589 0.743676 0.743763 0.743849 0.743936
26.3 0.744022 0.744109 0.744195 0.744282 0.744368 0.744455 0.744541 0.744627 0.744714 0.744800
26.4 0.744886 0.744972 0.745058 0.745145 0.745231 0.745317 0.745403 0.745489 0.745575 0.745661
26.5 0.745746 0.745832 0.745918 0.746004 0.746090 0.746175 0.746261 0.746347 0.746432 0.746518
26.6 0.746604 0.746689 0.746775 0.746860 0.746945 0.747031 0.747116 0.747202 0.747287 0.747372
26.7 0.747457 0.747543 0.747628 0.747713 0.747798 0.747883 0.747968 0.748053 0.748138 0.748223
26.8 0.748308 0.748393 0.748478 0.748563 0.748647 0.748732 0.748817 0.748902 0.748986 0.749071
26.9 0.749156 0.749240 0.749325 0.749409 0.749494 0.749578 0.749663 0.749747 0.749831 0.749916
Logarithm Table for base 81 — N = 27.00–27.99
N.i 0 1 2 3 4 5 6 7 8 9
27.0 0.750000 0.750084 0.750169 0.750253 0.750337 0.750421 0.750505 0.750589 0.750673 0.750757
27.1 0.750841 0.750925 0.751009 0.751093 0.751177 0.751261 0.751345 0.751428 0.751512 0.751596
27.2 0.751679 0.751763 0.751847 0.751930 0.752014 0.752097 0.752181 0.752264 0.752348 0.752431
27.3 0.752514 0.752598 0.752681 0.752764 0.752848 0.752931 0.753014 0.753097 0.753180 0.753263
27.4 0.753347 0.753430 0.753513 0.753596 0.753678 0.753761 0.753844 0.753927 0.754010 0.754093
27.5 0.754176 0.754258 0.754341 0.754424 0.754506 0.754589 0.754671 0.754754 0.754837 0.754919
27.6 0.755002 0.755084 0.755166 0.755249 0.755331 0.755413 0.755496 0.755578 0.755660 0.755742
27.7 0.755825 0.755907 0.755989 0.756071 0.756153 0.756235 0.756317 0.756399 0.756481 0.756563
27.8 0.756645 0.756726 0.756808 0.756890 0.756972 0.757053 0.757135 0.757217 0.757298 0.757380
27.9 0.757462 0.757543 0.757625 0.757706 0.757788 0.757869 0.757950 0.758032 0.758113 0.758195
Logarithm Table for base 81 — N = 28.00–28.99
N.i 0 1 2 3 4 5 6 7 8 9
28.0 0.758276 0.758357 0.758438 0.758519 0.758601 0.758682 0.758763 0.758844 0.758925 0.759006
28.1 0.759087 0.759168 0.759249 0.759330 0.759411 0.759492 0.759572 0.759653 0.759734 0.759815
28.2 0.759895 0.759976 0.760057 0.760137 0.760218 0.760299 0.760379 0.760460 0.760540 0.760621
28.3 0.760701 0.760781 0.760862 0.760942 0.761022 0.761103 0.761183 0.761263 0.761343 0.761424
28.4 0.761504 0.761584 0.761664 0.761744 0.761824 0.761904 0.761984 0.762064 0.762144 0.762224
28.5 0.762304 0.762383 0.762463 0.762543 0.762623 0.762702 0.762782 0.762862 0.762941 0.763021
28.6 0.763101 0.763180 0.763260 0.763339 0.763419 0.763498 0.763577 0.763657 0.763736 0.763816
28.7 0.763895 0.763974 0.764053 0.764133 0.764212 0.764291 0.764370 0.764449 0.764528 0.764607
28.8 0.764686 0.764765 0.764844 0.764923 0.765002 0.765081 0.765160 0.765239 0.765318 0.765396
28.9 0.765475 0.765554 0.765633 0.765711 0.765790 0.765869 0.765947 0.766026 0.766104 0.766183
Logarithm Table for base 81 — N = 29.00–29.99
N.i 0 1 2 3 4 5 6 7 8 9
29.0 0.766261 0.766340 0.766418 0.766496 0.766575 0.766653 0.766732 0.766810 0.766888 0.766966
29.1 0.767045 0.767123 0.767201 0.767279 0.767357 0.767435 0.767513 0.767591 0.767669 0.767747
29.2 0.767825 0.767903 0.767981 0.768059 0.768137 0.768215 0.768292 0.768370 0.768448 0.768525
29.3 0.768603 0.768681 0.768758 0.768836 0.768914 0.768991 0.769069 0.769146 0.769224 0.769301
29.4 0.769378 0.769456 0.769533 0.769611 0.769688 0.769765 0.769842 0.769920 0.769997 0.770074
29.5 0.770151 0.770228 0.770305 0.770382 0.770460 0.770537 0.770614 0.770691 0.770767 0.770844
29.6 0.770921 0.770998 0.771075 0.771152 0.771229 0.771305 0.771382 0.771459 0.771535 0.771612
29.7 0.771689 0.771765 0.771842 0.771919 0.771995 0.772072 0.772148 0.772224 0.772301 0.772377
29.8 0.772454 0.772530 0.772606 0.772683 0.772759 0.772835 0.772911 0.772988 0.773064 0.773140
29.9 0.773216 0.773292 0.773368 0.773444 0.773520 0.773596 0.773672 0.773748 0.773824 0.773900
Logarithm Table for base 81 — N = 30.00–30.99
N.i 0 1 2 3 4 5 6 7 8 9
30.0 0.773976 0.774052 0.774127 0.774203 0.774279 0.774355 0.774430 0.774506 0.774582 0.774657
30.1 0.774733 0.774809 0.774884 0.774960 0.775035 0.775111 0.775186 0.775262 0.775337 0.775412
30.2 0.775488 0.775563 0.775639 0.775714 0.775789 0.775864 0.775940 0.776015 0.776090 0.776165
30.3 0.776240 0.776315 0.776390 0.776465 0.776540 0.776615 0.776690 0.776765 0.776840 0.776915
30.4 0.776990 0.777065 0.777140 0.777214 0.777289 0.777364 0.777439 0.777513 0.777588 0.777663
30.5 0.777737 0.777812 0.777886 0.777961 0.778035 0.778110 0.778184 0.778259 0.778333 0.778408
30.6 0.778482 0.778556 0.778631 0.778705 0.778779 0.778854 0.778928 0.779002 0.779076 0.779150
30.7 0.779225 0.779299 0.779373 0.779447 0.779521 0.779595 0.779669 0.779743 0.779817 0.779891
30.8 0.779965 0.780038 0.780112 0.780186 0.780260 0.780334 0.780407 0.780481 0.780555 0.780629
30.9 0.780702 0.780776 0.780849 0.780923 0.780997 0.781070 0.781144 0.781217 0.781291 0.781364
Logarithm Table for base 81 — N = 31.00–31.99
N.i 0 1 2 3 4 5 6 7 8 9
31.0 0.781437 0.781511 0.781584 0.781658 0.781731 0.781804 0.781877 0.781951 0.782024 0.782097
31.1 0.782170 0.782244 0.782317 0.782390 0.782463 0.782536 0.782609 0.782682 0.782755 0.782828
31.2 0.782901 0.782974 0.783047 0.783120 0.783192 0.783265 0.783338 0.783411 0.783484 0.783556
31.3 0.783629 0.783702 0.783774 0.783847 0.783920 0.783992 0.784065 0.784137 0.784210 0.784282
31.4 0.784355 0.784427 0.784500 0.784572 0.784645 0.784717 0.784789 0.784862 0.784934 0.785006
31.5 0.785078 0.785151 0.785223 0.785295 0.785367 0.785439 0.785512 0.785584 0.785656 0.785728
31.6 0.785800 0.785872 0.785944 0.786016 0.786088 0.786160 0.786231 0.786303 0.786375 0.786447
31.7 0.786519 0.786591 0.786662 0.786734 0.786806 0.786877 0.786949 0.787021 0.787092 0.787164
31.8 0.787235 0.787307 0.787379 0.787450 0.787522 0.787593 0.787664 0.787736 0.787807 0.787879
31.9 0.787950 0.788021 0.788093 0.788164 0.788235 0.788306 0.788378 0.788449 0.788520 0.788591
Logarithm Table for base 81 — N = 32.00–32.99
N.i 0 1 2 3 4 5 6 7 8 9
32.0 0.788662 0.788733 0.788804 0.788875 0.788946 0.789017 0.789088 0.789159 0.789230 0.789301
32.1 0.789372 0.789443 0.789514 0.789585 0.789656 0.789726 0.789797 0.789868 0.789939 0.790009
32.2 0.790080 0.790151 0.790221 0.790292 0.790363 0.790433 0.790504 0.790574 0.790645 0.790715
32.3 0.790786 0.790856 0.790926 0.790997 0.791067 0.791138 0.791208 0.791278 0.791349 0.791419
32.4 0.791489 0.791559 0.791629 0.791700 0.791770 0.791840 0.791910 0.791980 0.792050 0.792120
32.5 0.792190 0.792260 0.792330 0.792400 0.792470 0.792540 0.792610 0.792680 0.792750 0.792820
32.6 0.792889 0.792959 0.793029 0.793099 0.793168 0.793238 0.793308 0.793378 0.793447 0.793517
32.7 0.793586 0.793656 0.793726 0.793795 0.793865 0.793934 0.794004 0.794073 0.794142 0.794212
32.8 0.794281 0.794351 0.794420 0.794489 0.794559 0.794628 0.794697 0.794766 0.794836 0.794905
32.9 0.794974 0.795043 0.795112 0.795181 0.795250 0.795320 0.795389 0.795458 0.795527 0.795596
Logarithm Table for base 81 — N = 33.00–33.99
N.i 0 1 2 3 4 5 6 7 8 9
33.0 0.795665 0.795734 0.795802 0.795871 0.795940 0.796009 0.796078 0.796147 0.796216 0.796284
33.1 0.796353 0.796422 0.796491 0.796559 0.796628 0.796697 0.796765 0.796834 0.796902 0.796971
33.2 0.797040 0.797108 0.797177 0.797245 0.797314 0.797382 0.797450 0.797519 0.797587 0.797656
33.3 0.797724 0.797792 0.797861 0.797929 0.797997 0.798065 0.798134 0.798202 0.798270 0.798338
33.4 0.798406 0.798474 0.798543 0.798611 0.798679 0.798747 0.798815 0.798883 0.798951 0.799019
33.5 0.799087 0.799155 0.799222 0.799290 0.799358 0.799426 0.799494 0.799562 0.799629 0.799697
33.6 0.799765 0.799833 0.799900 0.799968 0.800036 0.800103 0.800171 0.800238 0.800306 0.800374
33.7 0.800441 0.800509 0.800576 0.800644 0.800711 0.800779 0.800846 0.800913 0.800981 0.801048
33.8 0.801115 0.801183 0.801250 0.801317 0.801385 0.801452 0.801519 0.801586 0.801653 0.801721
33.9 0.801788 0.801855 0.801922 0.801989 0.802056 0.802123 0.802190 0.802257 0.802324 0.802391
Logarithm Table for base 81 — N = 34.00–34.99
N.i 0 1 2 3 4 5 6 7 8 9
34.0 0.802458 0.802525 0.802592 0.802659 0.802725 0.802792 0.802859 0.802926 0.802993 0.803059
34.1 0.803126 0.803193 0.803260 0.803326 0.803393 0.803460 0.803526 0.803593 0.803659 0.803726
34.2 0.803793 0.803859 0.803926 0.803992 0.804059 0.804125 0.804191 0.804258 0.804324 0.804391
34.3 0.804457 0.804523 0.804590 0.804656 0.804722 0.804788 0.804855 0.804921 0.804987 0.805053
34.4 0.805119 0.805186 0.805252 0.805318 0.805384 0.805450 0.805516 0.805582 0.805648 0.805714
34.5 0.805780 0.805846 0.805912 0.805978 0.806044 0.806110 0.806175 0.806241 0.806307 0.806373
34.6 0.806439 0.806504 0.806570 0.806636 0.806702 0.806767 0.806833 0.806899 0.806964 0.807030
34.7 0.807095 0.807161 0.807227 0.807292 0.807358 0.807423 0.807489 0.807554 0.807619 0.807685
34.8 0.807750 0.807816 0.807881 0.807946 0.808012 0.808077 0.808142 0.808208 0.808273 0.808338
34.9 0.808403 0.808468 0.808534 0.808599 0.808664 0.808729 0.808794 0.808859 0.808924 0.808989
Logarithm Table for base 81 — N = 35.00–35.99
N.i 0 1 2 3 4 5 6 7 8 9
35.0 0.809054 0.809119 0.809184 0.809249 0.809314 0.809379 0.809444 0.809509 0.809574 0.809639
35.1 0.809704 0.809768 0.809833 0.809898 0.809963 0.810027 0.810092 0.810157 0.810222 0.810286
35.2 0.810351 0.810416 0.810480 0.810545 0.810609 0.810674 0.810739 0.810803 0.810868 0.810932
35.3 0.810997 0.811061 0.811125 0.811190 0.811254 0.811319 0.811383 0.811447 0.811512 0.811576
35.4 0.811640 0.811705 0.811769 0.811833 0.811897 0.811961 0.812026 0.812090 0.812154 0.812218
35.5 0.812282 0.812346 0.812410 0.812474 0.812538 0.812602 0.812666 0.812730 0.812794 0.812858
35.6 0.812922 0.812986 0.813050 0.813114 0.813178 0.813242 0.813305 0.813369 0.813433 0.813497
35.7 0.813561 0.813624 0.813688 0.813752 0.813815 0.813879 0.813943 0.814006 0.814070 0.814134
35.8 0.814197 0.814261 0.814324 0.814388 0.814451 0.814515 0.814578 0.814642 0.814705 0.814768
35.9 0.814832 0.814895 0.814959 0.815022 0.815085 0.815149 0.815212 0.815275 0.815338 0.815402
Logarithm Table for base 81 — N = 36.00–36.99
N.i 0 1 2 3 4 5 6 7 8 9
36.0 0.815465 0.815528 0.815591 0.815654 0.815718 0.815781 0.815844 0.815907 0.815970 0.816033
36.1 0.816096 0.816159 0.816222 0.816285 0.816348 0.816411 0.816474 0.816537 0.816600 0.816663
36.2 0.816726 0.816788 0.816851 0.816914 0.816977 0.817040 0.817102 0.817165 0.817228 0.817291
36.3 0.817353 0.817416 0.817479 0.817541 0.817604 0.817667 0.817729 0.817792 0.817854 0.817917
36.4 0.817979 0.818042 0.818104 0.818167 0.818229 0.818292 0.818354 0.818417 0.818479 0.818541
36.5 0.818604 0.818666 0.818728 0.818791 0.818853 0.818915 0.818977 0.819040 0.819102 0.819164
36.6 0.819226 0.819288 0.819351 0.819413 0.819475 0.819537 0.819599 0.819661 0.819723 0.819785
36.7 0.819847 0.819909 0.819971 0.820033 0.820095 0.820157 0.820219 0.820281 0.820343 0.820405
36.8 0.820466 0.820528 0.820590 0.820652 0.820714 0.820775 0.820837 0.820899 0.820961 0.821022
36.9 0.821084 0.821146 0.821207 0.821269 0.821330 0.821392 0.821454 0.821515 0.821577 0.821638
Logarithm Table for base 81 — N = 37.00–37.99
N.i 0 1 2 3 4 5 6 7 8 9
37.0 0.821700 0.821761 0.821823 0.821884 0.821946 0.822007 0.822068 0.822130 0.822191 0.822253
37.1 0.822314 0.822375 0.822437 0.822498 0.822559 0.822620 0.822682 0.822743 0.822804 0.822865
37.2 0.822927 0.822988 0.823049 0.823110 0.823171 0.823232 0.823293 0.823354 0.823415 0.823476
37.3 0.823537 0.823598 0.823659 0.823720 0.823781 0.823842 0.823903 0.823964 0.824025 0.824086
37.4 0.824147 0.824208 0.824268 0.824329 0.824390 0.824451 0.824511 0.824572 0.824633 0.824694
37.5 0.824754 0.824815 0.824876 0.824936 0.824997 0.825058 0.825118 0.825179 0.825239 0.825300
37.6 0.825360 0.825421 0.825481 0.825542 0.825602 0.825663 0.825723 0.825784 0.825844 0.825904
37.7 0.825965 0.826025 0.826085 0.826146 0.826206 0.826266 0.826327 0.826387 0.826447 0.826507
37.8 0.826568 0.826628 0.826688 0.826748 0.826808 0.826868 0.826928 0.826989 0.827049 0.827109
37.9 0.827169 0.827229 0.827289 0.827349 0.827409 0.827469 0.827529 0.827589 0.827649 0.827709
Logarithm Table for base 81 — N = 38.00–38.99
N.i 0 1 2 3 4 5 6 7 8 9
38.0 0.827768 0.827828 0.827888 0.827948 0.828008 0.828068 0.828127 0.828187 0.828247 0.828307
38.1 0.828366 0.828426 0.828486 0.828546 0.828605 0.828665 0.828725 0.828784 0.828844 0.828903
38.2 0.828963 0.829023 0.829082 0.829142 0.829201 0.829261 0.829320 0.829380 0.829439 0.829498
38.3 0.829558 0.829617 0.829677 0.829736 0.829795 0.829855 0.829914 0.829973 0.830033 0.830092
38.4 0.830151 0.830211 0.830270 0.830329 0.830388 0.830447 0.830507 0.830566 0.830625 0.830684
38.5 0.830743 0.830802 0.830861 0.830920 0.830979 0.831038 0.831097 0.831156 0.831215 0.831274
38.6 0.831333 0.831392 0.831451 0.831510 0.831569 0.831628 0.831687 0.831746 0.831805 0.831863
38.7 0.831922 0.831981 0.832040 0.832098 0.832157 0.832216 0.832275 0.832333 0.832392 0.832451
38.8 0.832509 0.832568 0.832627 0.832685 0.832744 0.832802 0.832861 0.832920 0.832978 0.833037
38.9 0.833095 0.833154 0.833212 0.833271 0.833329 0.833387 0.833446 0.833504 0.833563 0.833621
Logarithm Table for base 81 — N = 39.00–39.99
N.i 0 1 2 3 4 5 6 7 8 9
39.0 0.833679 0.833738 0.833796 0.833854 0.833913 0.833971 0.834029 0.834087 0.834146 0.834204
39.1 0.834262 0.834320 0.834378 0.834437 0.834495 0.834553 0.834611 0.834669 0.834727 0.834785
39.2 0.834843 0.834901 0.834959 0.835017 0.835075 0.835133 0.835191 0.835249 0.835307 0.835365
39.3 0.835423 0.835481 0.835539 0.835597 0.835655 0.835712 0.835770 0.835828 0.835886 0.835944
39.4 0.836001 0.836059 0.836117 0.836175 0.836232 0.836290 0.836348 0.836405 0.836463 0.836521
39.5 0.836578 0.836636 0.836693 0.836751 0.836809 0.836866 0.836924 0.836981 0.837039 0.837096
39.6 0.837154 0.837211 0.837269 0.837326 0.837383 0.837441 0.837498 0.837556 0.837613 0.837670
39.7 0.837728 0.837785 0.837842 0.837899 0.837957 0.838014 0.838071 0.838128 0.838186 0.838243
39.8 0.838300 0.838357 0.838414 0.838472 0.838529 0.838586 0.838643 0.838700 0.838757 0.838814
39.9 0.838871 0.838928 0.838985 0.839042 0.839099 0.839156 0.839213 0.839270 0.839327 0.839384
Logarithm Table for base 81 — N = 40.00–40.99
N.i 0 1 2 3 4 5 6 7 8 9
40.0 0.839441 0.839498 0.839554 0.839611 0.839668 0.839725 0.839782 0.839839 0.839895 0.839952
40.1 0.840009 0.840066 0.840122 0.840179 0.840236 0.840292 0.840349 0.840406 0.840462 0.840519
40.2 0.840576 0.840632 0.840689 0.840745 0.840802 0.840859 0.840915 0.840972 0.841028 0.841085
40.3 0.841141 0.841197 0.841254 0.841310 0.841367 0.841423 0.841480 0.841536 0.841592 0.841649
40.4 0.841705 0.841761 0.841818 0.841874 0.841930 0.841986 0.842043 0.842099 0.842155 0.842211
40.5 0.842268 0.842324 0.842380 0.842436 0.842492 0.842548 0.842604 0.842661 0.842717 0.842773
40.6 0.842829 0.842885 0.842941 0.842997 0.843053 0.843109 0.843165 0.843221 0.843277 0.843333
40.7 0.843389 0.843444 0.843500 0.843556 0.843612 0.843668 0.843724 0.843780 0.843835 0.843891
40.8 0.843947 0.844003 0.844058 0.844114 0.844170 0.844226 0.844281 0.844337 0.844393 0.844448
40.9 0.844504 0.844560 0.844615 0.844671 0.844726 0.844782 0.844838 0.844893 0.844949 0.845004
Logarithm Table for base 81 — N = 41.00–41.99
N.i 0 1 2 3 4 5 6 7 8 9
41.0 0.845060 0.845115 0.845171 0.845226 0.845282 0.845337 0.845393 0.845448 0.845503 0.845559
41.1 0.845614 0.845669 0.845725 0.845780 0.845835 0.845891 0.845946 0.846001 0.846057 0.846112
41.2 0.846167 0.846222 0.846278 0.846333 0.846388 0.846443 0.846498 0.846553 0.846609 0.846664
41.3 0.846719 0.846774 0.846829 0.846884 0.846939 0.846994 0.847049 0.847104 0.847159 0.847214
41.4 0.847269 0.847324 0.847379 0.847434 0.847489 0.847544 0.847599 0.847654 0.847708 0.847763
41.5 0.847818 0.847873 0.847928 0.847983 0.848037 0.848092 0.848147 0.848202 0.848256 0.848311
41.6 0.848366 0.848420 0.848475 0.848530 0.848584 0.848639 0.848694 0.848748 0.848803 0.848858
41.7 0.848912 0.848967 0.849021 0.849076 0.849130 0.849185 0.849239 0.849294 0.849348 0.849403
41.8 0.849457 0.849512 0.849566 0.849620 0.849675 0.849729 0.849784 0.849838 0.849892 0.849947
41.9 0.850001 0.850055 0.850110 0.850164 0.850218 0.850272 0.850327 0.850381 0.850435 0.850489
Logarithm Table for base 81 — N = 42.00–42.99
N.i 0 1 2 3 4 5 6 7 8 9
42.0 0.850543 0.850598 0.850652 0.850706 0.850760 0.850814 0.850868 0.850922 0.850976 0.851030
42.1 0.851085 0.851139 0.851193 0.851247 0.851301 0.851355 0.851409 0.851463 0.851517 0.851570
42.2 0.851624 0.851678 0.851732 0.851786 0.851840 0.851894 0.851948 0.852002 0.852055 0.852109
42.3 0.852163 0.852217 0.852271 0.852324 0.852378 0.852432 0.852486 0.852539 0.852593 0.852647
42.4 0.852700 0.852754 0.852808 0.852861 0.852915 0.852969 0.853022 0.853076 0.853129 0.853183
42.5 0.853236 0.853290 0.853343 0.853397 0.853450 0.853504 0.853557 0.853611 0.853664 0.853718
42.6 0.853771 0.853825 0.853878 0.853931 0.853985 0.854038 0.854092 0.854145 0.854198 0.854251
42.7 0.854305 0.854358 0.854411 0.854465 0.854518 0.854571 0.854624 0.854678 0.854731 0.854784
42.8 0.854837 0.854890 0.854943 0.854997 0.855050 0.855103 0.855156 0.855209 0.855262 0.855315
42.9 0.855368 0.855421 0.855474 0.855527 0.855580 0.855633 0.855686 0.855739 0.855792 0.855845
Logarithm Table for base 81 — N = 43.00–43.99
N.i 0 1 2 3 4 5 6 7 8 9
43.0 0.855898 0.855951 0.856004 0.856057 0.856110 0.856162 0.856215 0.856268 0.856321 0.856374
43.1 0.856427 0.856479 0.856532 0.856585 0.856638 0.856690 0.856743 0.856796 0.856849 0.856901
43.2 0.856954 0.857007 0.857059 0.857112 0.857165 0.857217 0.857270 0.857322 0.857375 0.857428
43.3 0.857480 0.857533 0.857585 0.857638 0.857690 0.857743 0.857795 0.857848 0.857900 0.857953
43.4 0.858005 0.858057 0.858110 0.858162 0.858215 0.858267 0.858319 0.858372 0.858424 0.858476
43.5 0.858529 0.858581 0.858633 0.858686 0.858738 0.858790 0.858842 0.858895 0.858947 0.858999
43.6 0.859051 0.859103 0.859156 0.859208 0.859260 0.859312 0.859364 0.859416 0.859468 0.859521
43.7 0.859573 0.859625 0.859677 0.859729 0.859781 0.859833 0.859885 0.859937 0.859989 0.860041
43.8 0.860093 0.860145 0.860197 0.860249 0.860300 0.860352 0.860404 0.860456 0.860508 0.860560
43.9 0.860612 0.860664 0.860715 0.860767 0.860819 0.860871 0.860922 0.860974 0.861026 0.861078
Logarithm Table for base 81 — N = 44.00–44.99
N.i 0 1 2 3 4 5 6 7 8 9
44.0 0.861129 0.861181 0.861233 0.861285 0.861336 0.861388 0.861440 0.861491 0.861543 0.861594
44.1 0.861646 0.861698 0.861749 0.861801 0.861852 0.861904 0.861955 0.862007 0.862058 0.862110
44.2 0.862161 0.862213 0.862264 0.862316 0.862367 0.862419 0.862470 0.862522 0.862573 0.862624
44.3 0.862676 0.862727 0.862778 0.862830 0.862881 0.862932 0.862984 0.863035 0.863086 0.863138
44.4 0.863189 0.863240 0.863291 0.863343 0.863394 0.863445 0.863496 0.863547 0.863598 0.863650
44.5 0.863701 0.863752 0.863803 0.863854 0.863905 0.863956 0.864007 0.864058 0.864110 0.864161
44.6 0.864212 0.864263 0.864314 0.864365 0.864416 0.864467 0.864518 0.864568 0.864619 0.864670
44.7 0.864721 0.864772 0.864823 0.864874 0.864925 0.864976 0.865026 0.865077 0.865128 0.865179
44.8 0.865230 0.865281 0.865331 0.865382 0.865433 0.865484 0.865534 0.865585 0.865636 0.865686
44.9 0.865737 0.865788 0.865838 0.865889 0.865940 0.865990 0.866041 0.866092 0.866142 0.866193
Logarithm Table for base 81 — N = 45.00–45.99
N.i 0 1 2 3 4 5 6 7 8 9
45.0 0.866243 0.866294 0.866344 0.866395 0.866446 0.866496 0.866547 0.866597 0.866648 0.866698
45.1 0.866749 0.866799 0.866849 0.866900 0.866950 0.867001 0.867051 0.867101 0.867152 0.867202
45.2 0.867253 0.867303 0.867353 0.867404 0.867454 0.867504 0.867554 0.867605 0.867655 0.867705
45.3 0.867755 0.867806 0.867856 0.867906 0.867956 0.868006 0.868057 0.868107 0.868157 0.868207
45.4 0.868257 0.868307 0.868357 0.868408 0.868458 0.868508 0.868558 0.868608 0.868658 0.868708
45.5 0.868758 0.868808 0.868858 0.868908 0.868958 0.869008 0.869058 0.869108 0.869158 0.869208
45.6 0.869257 0.869307 0.869357 0.869407 0.869457 0.869507 0.869557 0.869607 0.869656 0.869706
45.7 0.869756 0.869806 0.869856 0.869905 0.869955 0.870005 0.870055 0.870104 0.870154 0.870204
45.8 0.870253 0.870303 0.870353 0.870402 0.870452 0.870502 0.870551 0.870601 0.870650 0.870700
45.9 0.870750 0.870799 0.870849 0.870898 0.870948 0.870997 0.871047 0.871096 0.871146 0.871195
Logarithm Table for base 81 — N = 46.00–46.99
N.i 0 1 2 3 4 5 6 7 8 9
46.0 0.871245 0.871294 0.871344 0.871393 0.871443 0.871492 0.871542 0.871591 0.871640 0.871690
46.1 0.871739 0.871788 0.871838 0.871887 0.871936 0.871986 0.872035 0.872084 0.872134 0.872183
46.2 0.872232 0.872281 0.872331 0.872380 0.872429 0.872478 0.872527 0.872577 0.872626 0.872675
46.3 0.872724 0.872773 0.872822 0.872872 0.872921 0.872970 0.873019 0.873068 0.873117 0.873166
46.4 0.873215 0.873264 0.873313 0.873362 0.873411 0.873460 0.873509 0.873558 0.873607 0.873656
46.5 0.873705 0.873754 0.873803 0.873852 0.873901 0.873950 0.873998 0.874047 0.874096 0.874145
46.6 0.874194 0.874243 0.874292 0.874340 0.874389 0.874438 0.874487 0.874535 0.874584 0.874633
46.7 0.874682 0.874730 0.874779 0.874828 0.874877 0.874925 0.874974 0.875023 0.875071 0.875120
46.8 0.875168 0.875217 0.875266 0.875314 0.875363 0.875411 0.875460 0.875509 0.875557 0.875606
46.9 0.875654 0.875703 0.875751 0.875800 0.875848 0.875897 0.875945 0.875994 0.876042 0.876090
Logarithm Table for base 81 — N = 47.00–47.99
N.i 0 1 2 3 4 5 6 7 8 9
47.0 0.876139 0.876187 0.876236 0.876284 0.876332 0.876381 0.876429 0.876478 0.876526 0.876574
47.1 0.876622 0.876671 0.876719 0.876767 0.876816 0.876864 0.876912 0.876960 0.877009 0.877057
47.2 0.877105 0.877153 0.877202 0.877250 0.877298 0.877346 0.877394 0.877442 0.877490 0.877539
47.3 0.877587 0.877635 0.877683 0.877731 0.877779 0.877827 0.877875 0.877923 0.877971 0.878019
47.4 0.878067 0.878115 0.878163 0.878211 0.878259 0.878307 0.878355 0.878403 0.878451 0.878499
47.5 0.878547 0.878595 0.878643 0.878691 0.878738 0.878786 0.878834 0.878882 0.878930 0.878978
47.6 0.879025 0.879073 0.879121 0.879169 0.879217 0.879264 0.879312 0.879360 0.879408 0.879455
47.7 0.879503 0.879551 0.879598 0.879646 0.879694 0.879741 0.879789 0.879837 0.879884 0.879932
47.8 0.879980 0.880027 0.880075 0.880122 0.880170 0.880218 0.880265 0.880313 0.880360 0.880408
47.9 0.880455 0.880503 0.880550 0.880598 0.880645 0.880693 0.880740 0.880787 0.880835 0.880882
Logarithm Table for base 81 — N = 48.00–48.99
N.i 0 1 2 3 4 5 6 7 8 9
48.0 0.880930 0.880977 0.881025 0.881072 0.881119 0.881167 0.881214 0.881261 0.881309 0.881356
48.1 0.881403 0.881451 0.881498 0.881545 0.881593 0.881640 0.881687 0.881734 0.881782 0.881829
48.2 0.881876 0.881923 0.881970 0.882018 0.882065 0.882112 0.882159 0.882206 0.882253 0.882300
48.3 0.882348 0.882395 0.882442 0.882489 0.882536 0.882583 0.882630 0.882677 0.882724 0.882771
48.4 0.882818 0.882865 0.882912 0.882959 0.883006 0.883053 0.883100 0.883147 0.883194 0.883241
48.5 0.883288 0.883335 0.883382 0.883429 0.883476 0.883522 0.883569 0.883616 0.883663 0.883710
48.6 0.883757 0.883803 0.883850 0.883897 0.883944 0.883991 0.884037 0.884084 0.884131 0.884178
48.7 0.884224 0.884271 0.884318 0.884365 0.884411 0.884458 0.884505 0.884551 0.884598 0.884645
48.8 0.884691 0.884738 0.884784 0.884831 0.884878 0.884924 0.884971 0.885017 0.885064 0.885110
48.9 0.885157 0.885204 0.885250 0.885297 0.885343 0.885390 0.885436 0.885483 0.885529 0.885575
Logarithm Table for base 81 — N = 49.00–49.99
N.i 0 1 2 3 4 5 6 7 8 9
49.0 0.885622 0.885668 0.885715 0.885761 0.885808 0.885854 0.885900 0.885947 0.885993 0.886039
49.1 0.886086 0.886132 0.886178 0.886225 0.886271 0.886317 0.886364 0.886410 0.886456 0.886503
49.2 0.886549 0.886595 0.886641 0.886688 0.886734 0.886780 0.886826 0.886872 0.886919 0.886965
49.3 0.887011 0.887057 0.887103 0.887149 0.887195 0.887242 0.887288 0.887334 0.887380 0.887426
49.4 0.887472 0.887518 0.887564 0.887610 0.887656 0.887702 0.887748 0.887794 0.887840 0.887886
49.5 0.887932 0.887978 0.888024 0.888070 0.888116 0.888162 0.888208 0.888254 0.888300 0.888346
49.6 0.888391 0.888437 0.888483 0.888529 0.888575 0.888621 0.888667 0.888712 0.888758 0.888804
49.7 0.888850 0.888896 0.888941 0.888987 0.889033 0.889079 0.889124 0.889170 0.889216 0.889261
49.8 0.889307 0.889353 0.889399 0.889444 0.889490 0.889535 0.889581 0.889627 0.889672 0.889718
49.9 0.889764 0.889809 0.889855 0.889900 0.889946 0.889992 0.890037 0.890083 0.890128 0.890174
Logarithm Table for base 81 — N = 50.00–50.99
N.i 0 1 2 3 4 5 6 7 8 9
50.0 0.890219 0.890265 0.890310 0.890356 0.890401 0.890447 0.890492 0.890538 0.890583 0.890628
50.1 0.890674 0.890719 0.890765 0.890810 0.890855 0.890901 0.890946 0.890992 0.891037 0.891082
50.2 0.891128 0.891173 0.891218 0.891264 0.891309 0.891354 0.891399 0.891445 0.891490 0.891535
50.3 0.891580 0.891626 0.891671 0.891716 0.891761 0.891807 0.891852 0.891897 0.891942 0.891987
50.4 0.892032 0.892078 0.892123 0.892168 0.892213 0.892258 0.892303 0.892348 0.892393 0.892438
50.5 0.892483 0.892529 0.892574 0.892619 0.892664 0.892709 0.892754 0.892799 0.892844 0.892889
50.6 0.892934 0.892979 0.893024 0.893069 0.893113 0.893158 0.893203 0.893248 0.893293 0.893338
50.7 0.893383 0.893428 0.893473 0.893518 0.893562 0.893607 0.893652 0.893697 0.893742 0.893787
50.8 0.893831 0.893876 0.893921 0.893966 0.894010 0.894055 0.894100 0.894145 0.894189 0.894234
50.9 0.894279 0.894324 0.894368 0.894413 0.894458 0.894502 0.894547 0.894592 0.894636 0.894681

Other Bases

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